package com.szzg10.thinking.chapter18;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Echo {

	public static void main(String[] args) throws IOException {
		InputStreamReader inputStreamReader = new InputStreamReader(System.in);
		BufferedReader reader = new BufferedReader(inputStreamReader);
		
		String str;
		while((str = reader.readLine()) != null && str.length() > 0) {
			System.out.println(str);
		}
	}
}
